<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<style>
			.box{
			position: absolute;
			top: 50%;
			left: 50%;
			-webkit-transform: translate(-50%, -50%);
			-moz-transform: translate(-50%, -50%);
			-ms-transform: translate(-50%, -50%);
			-o-transform: translate(-50%, -50%);
			transform: translate(-50%, -50%);}
		</style>
		<div class="box" style="width:300px;height:200px;background-color: #ccc;">
			
		</div>
	</body>
</html>
